74901420 has 216 divisors, whose sum is σ = 264329520. Its totient is φ = 17107200.

The previous prime is 74901361. The next prime is 74901427. The reversal of 74901420 is 2410947.

It is a happy number.

It is a super-2 number, since 2×74901420² = 11220445436032800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74901427) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 413730 + ... + 413910.

Almost surely, 2^74901420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74901420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132164760).

74901420 is an abundant number, since it is smaller than the sum of its proper divisors (189428100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74901420 is a wasteful number, since it uses less digits than its factorization.

74901420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 74901420 is about 8654.5606474275. The cubic root of 74901420 is about 421.5314836562.

The spelling of 74901420 in words is "seventy-four million, nine hundred one thousand, four hundred twenty".